The diameter of a circle is the length of a straight line from a point on the edge of the circle passing through the center of the circle and onto a point on the opposite edge of the circle.
The radius of a circle is the length of a straight line from the center of a circle to a point on the edge of the edge of the circle.
So the radius of a circle is half its diameter, in this case 8cm.
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Diameter of circle = 2 * Radius of the circle.
Since diameter is twice its radius, the radius of this circle would be 60
The radius (radii) of a circle is 1/2 of the diameter. The radius of a circle with a 6.2 cm diameter is 3.1 cm.
The diameter of any circle is twice its radius.
the diameter of a circle with the radius of 9m is 18m